Per unit of ownership amount of cash distributions declared to unit-holder of a limited partnership (LP).

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The number of limited partner units outstanding.

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The number of units sold in a public offering of each class of partners' capital account. Units represent shares of ownership of the general, limited, and preferred partners.

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Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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Net number of non-option equity instruments granted to participants.

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COMMON UNITS (Details) - USD ($)	Aug. 09, 2017	Jul. 28, 2017	May 12, 2017	May 02, 2017	Feb. 08, 2017	Sep. 30, 2017	Feb. 07, 2017
Common units
Common units outstanding						16,509,799	0
Cash distributions declared per limited partner unit (in dollars per unit)		$ 0.30		$ 0.23
Restricted Units
Common units
Restricted units granted			163,324
IPO
Common units
Common units issued in initial public offering					5,750,000
Underwriter's option
Common units
Common units issued in initial public offering					750,000
Directors \| Long Term Incentive Plan \| Restricted Units
Common units
Value of individual grants to certain directors	$ 30,000
Consultants \| Long Term Incentive Plan \| Restricted Units
Common units
Restricted units granted	4,247